Allied Telesis AT-LMC10ST - Manual (Page 29)

AT-LMC10SC and AT-LMC10ST Installation Guide
19
Fiber Optic Loss Specifications (Benchmarks)
Table 7 Fiber Optic Datalink
Model Fiber
Type
1
Minimum
Power /
Link
Budget Average
Signal
Loss Minimum
Distance
Spec.
2
Maximum
Distance
Spec.
AT-LMC10SC
and
AT-LMC10ST 50/125
MMF 13.00 dB 18.70 dB 0 2 km
(1.2 mi)
62.5/125
MMF 16.80 dB 22.50 dB 0 2 km
(1.2 mi)
1. MMF = Multimode Fiber
2. The recommended minimum range is stated in all cases where the maximum transmitter output power exceeds
the receivers saturation level. This is to prevent blinding or burning out of the optical receiver on the far-end-node.
Fiber Type
1
1. MMF = Multimode Fiber
Fiber Optic
Diameter
(microns) Optical
Wavelength Typical
Loss
Factor
(dB/km) Worst Case
Loss Factor
(dB/km) Bandwidt
h (Mhz-
km)
MMF 50/125 850 nm 3.00 3.50 400
50/125 1310 nm 1.00 1.50 400
62.5/125 850 nm 3.00 3.75 200
62.5/125 1310 nm 1.00 1.50 500
100/140 850 nm 4.00 4.00 100